/**
 * This file is part of WiiuseJ.
 * 
 * WiiuseJ is free software: you can redistribute it and/or modify it under the
 * terms of the GNU General Public License as published by the Free Software
 * Foundation, either version 3 of the License, or (at your option) any later
 * version.
 * 
 * WiiuseJ is distributed in the hope that it will be useful, but WITHOUT ANY
 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
 * A PARTICULAR PURPOSE. See the GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License along with
 * WiiuseJ. If not, see <http://www.gnu.org/licenses/>.
 */
package wiiusej.utils;

import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Image;
import java.awt.RenderingHints;
import java.awt.Shape;
import java.awt.Toolkit;
import java.awt.geom.AffineTransform;
import wiiusej.wiiusejevents.physicalevents.ClassicControllerButtonsEvent;
import wiiusej.wiiusejevents.physicalevents.ClassicControllerEvent;
import wiiusej.wiiusejevents.physicalevents.ExpansionEvent;
import wiiusej.wiiusejevents.physicalevents.IREvent;
import wiiusej.wiiusejevents.physicalevents.JoystickEvent;
import wiiusej.wiiusejevents.physicalevents.MotionSensingEvent;
import wiiusej.wiiusejevents.physicalevents.WiimoteButtonsEvent;
import wiiusej.wiiusejevents.utils.WiimoteListener;
import wiiusej.wiiusejevents.wiiuseapievents.ClassicControllerInsertedEvent;
import wiiusej.wiiusejevents.wiiuseapievents.ClassicControllerRemovedEvent;
import wiiusej.wiiusejevents.wiiuseapievents.DisconnectionEvent;
import wiiusej.wiiusejevents.wiiuseapievents.GuitarHeroInsertedEvent;
import wiiusej.wiiusejevents.wiiuseapievents.GuitarHeroRemovedEvent;
import wiiusej.wiiusejevents.wiiuseapievents.NunchukInsertedEvent;
import wiiusej.wiiusejevents.wiiuseapievents.NunchukRemovedEvent;
import wiiusej.wiiusejevents.wiiuseapievents.StatusEvent;

/**
 * This panel is used to display what happens on the classic controller.
 * 
 * @author guiguito
 */
public class ClassicControllerButtonsEventPanel extends javax.swing.JPanel implements
    WiimoteListener
{

    private Image mImage;// image for double buffering
    private Image wiimoteImage;// image for double buffering
    private ClassicControllerEvent event;
    private Color pressedColor = Color.RED;
    private Color heldColor = Color.ORANGE;
    private Color releasedColor = Color.YELLOW;
    private Color joystickColor = Color.PINK;
    private Color shoulderColor = Color.BLUE;
    private Shape shapeJoystick = new java.awt.geom.Ellipse2D.Double(0, 0, 15,
            15);
    private Shape shapeButton = new java.awt.geom.Ellipse2D.Double(0, 0, 20, 20);
    private static int xAmplitude = 20;
    private static int yAmplitude = 20;

    /**
     * Default constructor. Red : button just pressed. Orange : button held.
     * Yellow : button just released.
     */
    public ClassicControllerButtonsEventPanel()
    {
        Toolkit toolkit = java.awt.Toolkit.getDefaultToolkit();
        java.net.URL url = ButtonsEventPanel.class.getResource("/img/classiccontroller.png");
        wiimoteImage = toolkit.createImage(url);
        initComponents();
    }

    /**
     * Constructor used to set colors and shape used.
     * 
     * @param pressColor
     *            color of a button just pressed.
     * @param hColor
     *            color of a button held.
     * @param relColor
     *            color of a button just released.
     * @param jsColor
     *            color of the joysticks.
     * @param shouldColor
     *            color of the shoulders.
     * @param js
     *            shape drawn on the joysticks.
     * @param sh
     *            shape drawn on the buttons.
     */
    public ClassicControllerButtonsEventPanel(
        Color pressColor,
        Color hColor,
        Color relColor,
        Color jsColor,
        Color shouldColor,
        Shape js,
        Shape sh)
    {
        pressedColor = pressColor;
        heldColor = hColor;
        releasedColor = relColor;
        shapeButton = sh;
        shapeJoystick = js;
        joystickColor = jsColor;
        shoulderColor = shouldColor;
        Toolkit toolkit = java.awt.Toolkit.getDefaultToolkit();
        wiimoteImage = toolkit.createImage("img\\wiimote.png");
        initComponents();
    }

    /**
     * This method is called from within the constructor to initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is always
     * regenerated by the Form Editor.
     */
    // <editor-fold defaultstate="collapsed"
    // desc="Generated Code">//GEN-BEGIN:initComponents
    private void initComponents()
    {

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(this);
        this.setLayout(layout);
        layout.setHorizontalGroup(layout.createParallelGroup(
                javax.swing.GroupLayout.Alignment.LEADING)
            .addGap(0, 400, Short.MAX_VALUE));
        layout.setVerticalGroup(layout.createParallelGroup(
                javax.swing.GroupLayout.Alignment.LEADING)
            .addGap(0, 300, Short.MAX_VALUE));
    }// </editor-fold>//GEN-END:initComponents

    @Override
    public void paintComponent(Graphics g)
    {
        super.paintComponent(g);
        Dimension d = getSize();
        checkOffScreenImage();
        Graphics offG = mImage.getGraphics();
        // offG.setColor(backgroundColor);
        offG.fillRect(0, 0, d.width, d.height);
        Graphics2D g2 = (Graphics2D) mImage.getGraphics();
        g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
                RenderingHints.VALUE_ANTIALIAS_ON);

        // draw classic controller
        g2.drawImage(wiimoteImage, 0, 0, this);
        g2.setTransform(new AffineTransform());

        if (event != null)
        {
            // draw buttons pushed
            ClassicControllerButtonsEvent buttons = event.getButtonsEvent();

            /* button A */
            if (buttons.isButtonAJustPressed())
            {
                drawFunction(g2, pressedColor, 304, 76, shapeButton);
            }
            if (buttons.isButtonAHeld())
            {
                drawFunction(g2, heldColor, 304, 76, shapeButton);
            }
            if (buttons.isButtonAJustReleased())
            {
                drawFunction(g2, releasedColor, 304, 76, shapeButton);
            }

            /* button B */
            if (buttons.isButtonBJustPressed())
            {
                drawFunction(g2, pressedColor, 269, 98, shapeButton);
            }
            if (buttons.isButtonBHeld())
            {
                drawFunction(g2, heldColor, 269, 98, shapeButton);
            }
            if (buttons.isButtonBJustReleased())
            {
                drawFunction(g2, releasedColor, 269, 98, shapeButton);
            }

            /* button Down */
            if (buttons.isButtonDownJustPressed())
            {
                drawFunction(g2, pressedColor, 60, 97, shapeButton);
            }
            if (buttons.isButtonDownHeld())
            {
                drawFunction(g2, heldColor, 60, 97, shapeButton);
            }
            if (buttons.isButtonDownJustReleased())
            {
                drawFunction(g2, releasedColor, 60, 97, shapeButton);
            }

            /* button FullLeft */
            if (buttons.isButtonFullLeftJustPressed())
            {
                drawFunction(g2, pressedColor, 55, 4, shapeButton);
            }
            if (buttons.isButtonFullLeftHeld())
            {
                drawFunction(g2, heldColor, 55, 4, shapeButton);
            }
            if (buttons.isButtonFullLeftJustReleased())
            {
                drawFunction(g2, releasedColor, 55, 4, shapeButton);
            }

            /* button FullRight */
            if (buttons.isButtonFullRightJustPressed())
            {
                drawFunction(g2, pressedColor, 276, 4, shapeButton);
            }
            if (buttons.isButtonFullRightHeld())
            {
                drawFunction(g2, heldColor, 276, 4, shapeButton);
            }
            if (buttons.isButtonFullRightJustReleased())
            {
                drawFunction(g2, releasedColor, 276, 4, shapeButton);
            }

            /* button Home */
            if (buttons.isButtonHomeJustPressed())
            {
                drawFunction(g2, pressedColor, 166, 76, shapeButton);
            }
            if (buttons.isButtonHomeHeld())
            {
                drawFunction(g2, heldColor, 166, 76, shapeButton);
            }
            if (buttons.isButtonHomeJustReleased())
            {
                drawFunction(g2, releasedColor, 166, 76, shapeButton);
            }

            /* button Left */
            if (buttons.isButtonLeftJustPressed())
            {
                drawFunction(g2, pressedColor, 34, 75, shapeButton);
            }
            if (buttons.isButtonLeftHeld())
            {
                drawFunction(g2, heldColor, 34, 75, shapeButton);
            }
            if (buttons.isButtonLeftJustReleased())
            {
                drawFunction(g2, releasedColor, 34, 75, shapeButton);
            }

            /* button Minus */
            if (buttons.isButtonMinusJustPressed())
            {
                drawFunction(g2, pressedColor, 140, 76, shapeButton);
            }
            if (buttons.isButtonMinusHeld())
            {
                drawFunction(g2, heldColor, 140, 76, shapeButton);
            }
            if (buttons.isButtonMinusJustReleased())
            {
                drawFunction(g2, releasedColor, 140, 76, shapeButton);
            }

            /* button Plus */
            if (buttons.isButtonPlusJustPressed())
            {
                drawFunction(g2, pressedColor, 191, 76, shapeButton);
            }
            if (buttons.isButtonPlusHeld())
            {
                drawFunction(g2, heldColor, 191, 76, shapeButton);
            }
            if (buttons.isButtonPlusJustReleased())
            {
                drawFunction(g2, releasedColor, 191, 76, shapeButton);
            }

            /* button Right */
            if (buttons.isButtonRightJustPressed())
            {
                drawFunction(g2, pressedColor, 86, 75, shapeButton);
            }
            if (buttons.isButtonRightHeld())
            {
                drawFunction(g2, heldColor, 86, 75, shapeButton);
            }
            if (buttons.isButtonRightJustReleased())
            {
                drawFunction(g2, releasedColor, 86, 353, shapeButton);
            }

            /* button Up */
            if (buttons.isButtonUpJustPressed())
            {
                drawFunction(g2, pressedColor, 60, 50, shapeButton);
            }
            if (buttons.isButtonUpHeld())
            {
                drawFunction(g2, heldColor, 60, 50, shapeButton);
            }
            if (buttons.isButtonUpJustReleased())
            {
                drawFunction(g2, releasedColor, 60, 50, shapeButton);
            }

            /* button X */
            if (buttons.isButtonXJustPressed())
            {
                drawFunction(g2, pressedColor, 271, 53, shapeButton);
            }
            if (buttons.isButtonXHeld())
            {
                drawFunction(g2, heldColor, 271, 53, shapeButton);
            }
            if (buttons.isButtonXJustReleased())
            {
                drawFunction(g2, releasedColor, 271, 53, shapeButton);
            }

            /* button Y */
            if (buttons.isButtonYJustPressed())
            {
                drawFunction(g2, pressedColor, 237, 76, shapeButton);
            }
            if (buttons.isButtonYHeld())
            {
                drawFunction(g2, heldColor, 237, 76, shapeButton);
            }
            if (buttons.isButtonYJustReleased())
            {
                drawFunction(g2, releasedColor, 237, 76, shapeButton);
            }

            /* button ZL */
            if (buttons.isButtonZLJustPressed())
            {
                drawFunction(g2, pressedColor, 123, 4, shapeButton);
            }
            if (buttons.isButtonZLHeld())
            {
                drawFunction(g2, heldColor, 123, 4, shapeButton);
            }
            if (buttons.isButtonZLJustReleased())
            {
                drawFunction(g2, releasedColor, 123, 4, shapeButton);
            }

            /* button ZR */
            if (buttons.isButtonZRJustPressed())
            {
                drawFunction(g2, pressedColor, 208, 4, shapeButton);
            }
            if (buttons.isButtonZRHeld())
            {
                drawFunction(g2, heldColor, 208, 4, shapeButton);
            }
            if (buttons.isButtonZRJustReleased())
            {
                drawFunction(g2, releasedColor, 208, 4, shapeButton);
            }

            // joysticks
            int halfWidth = (int) Math.round(shapeJoystick.getBounds()
                .getWidth() / 2);
            int halfHeight = (int) Math.round(shapeJoystick.getBounds()
                .getHeight() / 2);

            // left joystick
            JoystickEvent jl = event.getClassicControllerLeftJoystickEvent();
            int xCenter1 = 121;
            int yCenter1 = 125;

            double xAng1 = Math.sin(jl.getAngle() * Math.PI / 180.0)
                    * jl.getMagnitude();
            double yAng1 = Math.cos(jl.getAngle() * Math.PI / 180.0)
                    * jl.getMagnitude();

            int xShift1 = (int) Math.round(xAng1 * xAmplitude);
            int yShift1 = (int) Math.round(yAng1 * yAmplitude);
            int x1 = xCenter1 + xShift1 - halfWidth;
            int y1 = yCenter1 - yShift1 - halfHeight;
            // draw shape
            drawFunction(g2, joystickColor, x1, y1, shapeJoystick);

            // Right joystick
            JoystickEvent jr = event.getClassicControllerRightJoystickEvent();
            int xCenter2 = 213;
            int yCenter2 = 125;

            double xAng2 = Math.sin(jr.getAngle() * Math.PI / 180.0)
                    * jr.getMagnitude();
            double yAng2 = Math.cos(jr.getAngle() * Math.PI / 180.0)
                    * jr.getMagnitude();

            int xShift2 = (int) Math.round(xAng2 * xAmplitude);
            int yShift2 = (int) Math.round(yAng2 * yAmplitude);
            int x2 = xCenter2 + xShift2 - halfWidth;
            int y2 = yCenter2 - yShift2 - halfHeight;
            // draw shape
            drawFunction(g2, joystickColor, x2, y2, shapeJoystick);

            event = null;
        }

        // put offscreen image on the screen
        g.drawImage(mImage, 0, 0, null);
    }

    /**
     * Function used to factorize code.
     * 
     * @param g2
     *            where to draw a shape.
     * @param col
     *            color to use.
     * @param x
     *            x coordinates.
     * @param y
     *            y coordinates.
     * @param sh
     *            shape to draw.
     */
    private void drawFunction(Graphics2D g2,
            Color col,
            int x,
            int y,
            Shape sh)
    {
        g2.setPaint(col);
        g2.translate(x, y);
        g2.draw(sh);
        g2.fill(sh);
        g2.setTransform(new AffineTransform());
    }

    /**
     * check if the mImage variable has been initialized. If it's not the case
     * it initializes it with the dimensions of the panel. mImage is for double
     * buffering.
     */
    private void checkOffScreenImage()
    {
        Dimension d = getSize();
        if (mImage == null || mImage.getWidth(null) != d.width
                || mImage.getHeight(null) != d.height)
        {
            mImage = createImage(d.width, d.height);
        }
    }

    public void onButtonsEvent(WiimoteButtonsEvent arg0)
    {
        // do nothing
    }

    public void onIrEvent(IREvent arg0)
    {
        // do nothing
    }

    public void onMotionSensingEvent(MotionSensingEvent arg0)
    {
        // do nothing
    }

    public void onExpansionEvent(ExpansionEvent arg0)
    {
        if (arg0 instanceof ClassicControllerEvent)
        {
            event = (ClassicControllerEvent) arg0;
        }
        repaint();
    }

    public void onStatusEvent(StatusEvent arg0)
    {
        // do nothing
    }

    public void onDisconnectionEvent(DisconnectionEvent arg0)
    {
        // do nothing
    }

    public void onNunchukInsertedEvent(NunchukInsertedEvent arg0)
    {
        // do nothing
    }

    public void onNunchukRemovedEvent(NunchukRemovedEvent arg0)
    {
        // do nothing
    }

    public void onGuitarHeroInsertedEvent(GuitarHeroInsertedEvent arg0)
    {
        // do nothing
    }

    public void onGuitarHeroRemovedEvent(GuitarHeroRemovedEvent arg0)
    {
        // do nothing
    }

    public void onClassicControllerInsertedEvent(ClassicControllerInsertedEvent arg0)
    {
        // do nothing
    }

    public void onClassicControllerRemovedEvent(ClassicControllerRemovedEvent arg0)
    {
        clearView();
    }

    public Color getHeldColor()
    {
        return heldColor;
    }

    public Color getJoystickColor()
    {
        return joystickColor;
    }

    public Color getPressedColor()
    {
        return pressedColor;
    }

    public Color getReleasedColor()
    {
        return releasedColor;
    }

    public Color getShoulderColor()
    {
        return shoulderColor;
    }

    public Shape getShapeButton()
    {
        return shapeButton;
    }

    public Shape getShapeJoystick()
    {
        return shapeJoystick;
    }

    public void setHeldColor(Color heldColor)
    {
        this.heldColor = heldColor;
    }

    public void setJoystickColor(Color joystickColor)
    {
        this.joystickColor = joystickColor;
    }

    public void setPressedColor(Color pressedColor)
    {
        this.pressedColor = pressedColor;
    }

    public void setReleasedColor(Color releasedColor)
    {
        this.releasedColor = releasedColor;
    }

    public void setShoulderColor(Color shoulderColor)
    {
        this.shoulderColor = shoulderColor;
    }

    public void setShapeButton(Shape shapeButton)
    {
        this.shapeButton = shapeButton;
    }

    public void setShapeJoystick(Shape shapeJoystick)
    {
        this.shapeJoystick = shapeJoystick;
    }

    public void clearView()
    {
        event = null;
        repaint();
    }
    // Variables declaration - do not modify//GEN-BEGIN:variables
    // End of variables declaration//GEN-END:variables
}
